88Key Hammer Action Weighted Keyboard Key benefits Fullsize 88 hammer action weighted keys deliver realistic piano touch and dynamic response so the sound changes with how hard you press each key. This lets you add expression to every note and piece. Comprehensive practice and performance tools built in: 128 tones, 100 rhythms, 128note polyphony, and 88 demo songs provide a wide range of sounds and backing options for practice, composition, and small performances. Flexible connectivity for modern workflows: MIDI over micro USB connects to a computer, smartphone, or other intelligent devices for composition, recording, and control. Readytoplay sound system with headphone mode: two builtin speakers produce stereo output for room listening, while headphone output enables quiet practice. Main features 88 standard hammer action weighted keys for authentic playing feel and touch sensitivity. 128 tones and 100 rhythms to support varied musical styles and arrangements. 128note polyphony to preserve sustained notes and complex passages. 88 demo songs to explore builtin pieces and learn structure. Recording and playback for capturing practice sessions and ideas. Sustain function to reproduce pedal behavior and musical phrasing. Transpose and metronome for practice flexibility and accurate timing. Dual voice function to layer two sounds for richer tones. MIDI terminal via micro USB for connection to computers, smartphones, and other intelligent devices. Builtin dual speakers: 2 x 8 ohm 10W maximum power for clear stereo sound. Headphone mode for silent practice without disturbing others. Practical use scenarios Home practice and lessons: Use the weighted keys, metronome, and demo songs for structured practice. Switch to headphone mode when you need to practice quietly. Composing and recording: Connect the keyboard to a computer or smartphone via micro USB MIDI to record parts in a DAW, sequence rhythms, or control virtual instruments. Small performances and accompaniment: Use the 128 tones, 100 rhythms, dual voice layering, and builtin speakers for simple solo performances or accompaniment in small venues or classrooms. What this product solves Provides a realistic piano touch and expressive control for players transitioning from beginner keyboards to fullsize instruments. Combines instrument, practice tools, and connectivity in one portable unit, reducing the need for extra hardware during practice or composition. Allows quiet practice and full sound output, adapting to home environments and small performance spaces. Specifications summary Keys: 88 standard hammer action weighted keys Tones: 128 Rhythms: 100 Polyphony: 128note Demos: 88 Speakers: 2 x 8 ohm 10W maximum power Functions: record, playback, sustain, transpose, metronome, dual voice Connectivity: MIDI via micro USB for computer, smartphone, and other intelligent devices This keyboard is suited for students, home players, composers, and anyone who needs a fullsize, expressive instrument with builtin practice and connectivity features.